Home / 9,983.43-13,777.18-5,507.12

Finding the Fourth Proportional to 9,983.43, 13,777.18 and 5,507.12

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Solution

The fourth proportional to 9,983.43, 13,777.18 and 5,507.12 is: 7,599.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.43 : 13,777.18 = 5,507.12 : x
  2. Step 2: Convert to fraction form
    9,983.43/13,777.18 = 5,507.12/x
  3. Step 3: Cross multiply
    9,983.43x = 13,777.18 × 5,507.12
  4. Step 4: Simplify right side
    9,983.43x = 75,872,604.20
  5. Step 5: Solve for x
    x = 75,872,604.20/9,983.43
  6. Step 6: Final answer
    x = 7,599.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.